United States · 1991–2020 normal

Aspen in
September.

Typical September weather in Aspen: 20.8°C by day, 4.4°C at night, 48 mm of rain over 8.1 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high20.8°C
Typical low4.4°C
Rain48 mm
Wet days8.1

Comfort score 64 this month (August leads the year at 80). Daylight is calculated as 12 h 24 from latitude 39.19°.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 5412230
NOAA station
USC00050372 · ASPEN 1SW
Station distance
1.9 km from the place centre
Coverage
Strong coverage · 30 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.